package bean;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;



public class ScoreDTO {

	private ScoreVo vo;
	private Connection conn;
	//페이지와 관련된 변수
	int listSize = 10;//페이지당 표시되는 행수
	int blockSize = 5;//한블럭당 표시되는 페이지수
	int totSize = 0;//전체 게시물의 개수
	int totPage = 0;//전체 페이지 수
	int totBlock =0;//전체 블럭수
	int nowPage =1;//현재 페이지
	int nowBlock = 1;//현재 블럭
	int startNo = 0;//리스트 목록의 시작위치
	int endNo =0;//리스트 목록의 끝 위치
	int startPage = 0;//현제 블럭에서 표시되는 시작 블럭 번호
	int endPage = 0;//현재 블럭에서 표시되는 끝 블럭 번호
	

	public ScoreDTO(){
		this.conn = new MyOracle().getConn();
	}
	public boolean insert(){
		boolean b = false;
		
		try {
			String sql = " insert into score(mid, content, insertedate, rno) values(?, ?, ?, ?, seq_score_rno.nextval) ";
			PreparedStatement pst = conn.prepareStatement(sql);
			
			pst.setInt(1, vo.getGrade());
			pst.setInt(2, vo.getPoint());
			pst.setString(3, vo.getScode());
			pst.setString(4, vo.getMid());
			pst.setString(5, vo.getExamdate());
			pst.setString(6, vo.getExam());
			int n = pst.executeUpdate();
			
			if(n> 0){
				b = true;
			}
			
			pst.close();
			conn.close();
			
		} catch (Exception e) {
			e.printStackTrace();
		}
		return b;
	}
	
	
	public void page(){//페이지 관련 연산
		String sql = " select count(*) cnt from score "
				+ " where mid like ? or exam like ? ";
		try{
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setString(1,"%" + vo.getFind() + "%");
			pst.setString(2,"%" + vo.getFind() + "%");
			ResultSet rs = pst.executeQuery();
			if(rs.next()){
				totSize = rs.getInt("cnt");
				//전체 페이지 수
				totPage = (int)Math.ceil(totSize*1.0/listSize);				
				//전체 블럭 사이즈
				totBlock=(int)Math.ceil(totPage*1.0/blockSize);
				//현재 블럭
				nowBlock = (int)Math.ceil(nowPage*1.0/blockSize);
				//페이지의 시작과 끝 번호
				endPage = nowBlock * blockSize;
				startPage = endPage - blockSize +1;
				//게시물의 시작번호와 끝 번호
				endNo = nowPage * listSize;
				startNo = endNo - listSize +1;
				
				//endPage,endNo 보정값
				if(endPage>totPage) endPage = totPage;
				if(endNo>totSize) endNo = totSize;
				
			}
			System.out.print("<li>totSize ="+ totSize);
			System.out.print("<li>totPage ="+ totPage);
			
		}catch(Exception ex){
			ex.printStackTrace();
			
		}
		
	}
	
	public ArrayList<ScoreVo> select(){
		page();
		ArrayList<ScoreVo> al = new ArrayList<>();
		String sql =
			 " 	select * from ("
			+" 		select rownum rn, c.* from( " 
			+" 			select * from score" 
			+" 			where mid like ? or exam like ? )c "
			+"		)b "
			+"  where b.rn between ? and ? " ;
		try{
			PreparedStatement psmt = conn.prepareStatement(sql);
			psmt.setString(1,"%"+vo.getFind()+"%");
			psmt.setString(2,"%"+vo.getFind()+"%");
			psmt.setInt(3,startNo);
			psmt.setInt(4,endNo);
			
			ResultSet rs = psmt.executeQuery();
			while(rs.next()){
				ScoreVo v = new ScoreVo();
				v.setMid(rs.getString("mid"));
				v.setGrade(rs.getInt("grade"));
				v.setPoint(rs.getInt("point"));
				v.setRno(rs.getInt("rno"));
				al.add(v);
			}
			
			rs.close();
			psmt.close();
			conn.close();
			
		}catch(Exception ex){
			ex.printStackTrace();
			
		}
	
		return al;
	}
	public ScoreVo selectOne(){
		ScoreVo v = new ScoreVo();
		String sql = " select * from score where rno =? ";
		try{
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());
			ResultSet rs = pst.executeQuery();
			if(rs.next()){
				v.setMid(rs.getString("mid"));
				v.setGrade(rs.getInt("grade"));
				v.setPoint(rs.getInt("point"));
				v.setRno(rs.getInt("rno"));
				
			}
			
		}catch(Exception ex){
			ex.printStackTrace();
			
		}
		
		
		return v;
	}
	public boolean delete(){
		boolean b=false;
		String sql = " delete from score where rno=? ";
		try{
			PreparedStatement pst = conn.prepareStatement(sql);
			pst.setInt(1, vo.getRno());
			int cnt = pst.executeUpdate();
			if(cnt>0) b=true;
			
			pst.close();
			conn.close();
		}catch(Exception ex){
			ex.printStackTrace();
		}
		return b;
	}
	


	public ScoreVo getVo() {
		return vo;
	}

	public void setVo(ScoreVo vo) {
		this.vo = vo;
		this.nowPage = vo.getNowPage();
		this.nowBlock = vo.getNowblock();
	}
	public Connection getConn() {
		return conn;
	}
	public void setConn(Connection conn) {
		this.conn = conn;
	}
	public int getListSize() {
		return listSize;
	}
	public void setListSize(int listSize) {
		this.listSize = listSize;
	}
	public int getBlockSize() {
		return blockSize;
	}
	public void setBlockSize(int blockSize) {
		this.blockSize = blockSize;
	}
	public int getTotSize() {
		return totSize;
	}
	public void setTotSize(int totSize) {
		this.totSize = totSize;
	}
	public int getTotPage() {
		return totPage;
	}
	public void setTotPage(int totPage) {
		this.totPage = totPage;
	}
	public int getTotBlock() {
		return totBlock;
	}
	public void setTotBlock(int totBlock) {
		this.totBlock = totBlock;
	}
	public int getNowPage() {
		return nowPage;
	}
	public void setNowPage(int nowPage) {
		this.nowPage = nowPage;
	}
	public int getNowBlock() {
		return nowBlock;
	}
	public void setNowBlock(int nowBlock) {
		this.nowBlock = nowBlock;
	}
	public int getStartNo() {
		return startNo;
	}
	public void setStartNo(int startNo) {
		this.startNo = startNo;
	}
	public int getEndNo() {
		return endNo;
	}
	public void setEndNo(int endNo) {
		this.endNo = endNo;
	}
	public int getStartPage() {
		return startPage;
	}
	public void setStartPage(int startPage) {
		this.startPage = startPage;
	}
	public int getEndPage() {
		return endPage;
	}
	public void setEndPage(int endPage) {
		this.endPage = endPage;
	}

}
